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ICD-10/O24.13

O24.13 ICD-10-CM Code: Pre-existing type 2 diabetes mellitus, in the puerperium

O24.13 is the authoritative medical code for Pre-existing type 2 diabetes mellitus, in the puerperium. This classification is used in medical billing and clinical recording to specify the clinical criteria for pre-existing type 2 diabetes mellitus, in the puerperium (ICD-10-CM O24.13), ensuring healthcare documentation aligns with current federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Pre-existing type 2 diabetes mellitus, in the puerperium is a billable ICD-10-CM diagnosis code (O24.13). Excludes2 (not included here): maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48); maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99). Use additional code: code (for):; from category E11 to further identify any manifestations; injectable non-insulin antidiabetic drugs (Z79.85); long-term (current) use of insulin (Z79.4).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for O24.13 in the official ICD-10-CM tabular list.

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
  • maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • Use additional code (for):
  • from category E11 to further identify any manifestations
  • injectable non-insulin antidiabetic drugs (Z79.85)
  • long-term (current) use of insulin (Z79.4)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can O24.13 be reported alongside related conditions?

Per official ICD-10-CM Excludes2 instructions, O24.13 and the following are not considered part of each other and may both be reported when both conditions are present: maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48); maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99).

Is an additional code needed with O24.13?

Use additional code(s) to specify: code (for):; from category E11 to further identify any manifestations; injectable non-insulin antidiabetic drugs (Z79.85); long-term (current) use of insulin (Z79.4).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to O24.13 in its code family, with their registry titles.

  • O24.111 — Pre-existing type 2 diabetes mellitus, in pregnancy, first trimester
  • O24.112 — Pre-existing type 2 diabetes mellitus, in pregnancy, second trimester
  • O24.113 — Pre-existing type 2 diabetes mellitus, in pregnancy, third trimester
  • O24.119 — Pre-existing type 2 diabetes mellitus, in pregnancy, unspecified trimester
  • O24.12 — Pre-existing type 2 diabetes mellitus, in childbirth
  • O24.3 — Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium
  • O24.31 — Unspecified pre-existing diabetes mellitus in pregnancy
  • O24.311 — Unspecified pre-existing diabetes mellitus in pregnancy, first trimester
  • O24.312 — Unspecified pre-existing diabetes mellitus in pregnancy, second trimester
  • O24.313 — Unspecified pre-existing diabetes mellitus in pregnancy, third trimester

View all codes in the O24 family

Indexed Clinical Terms (1)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Puerperal, puerperium (complicated by, complications), diabetes, pre-existing, type 2